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misc: sentinel: s400_api: Add get_events API

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Add get_events API to retrieve any singular events that has occurred
since the FW has started from sentinel

Signed-off-by: Ye Li <ye.li@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
This commit is contained in:
Ye Li 2023-01-30 18:39:50 +08:00 committed by Stefano Babic
parent 4dfb2196cd
commit 76c184fe3a
2 changed files with 47 additions and 0 deletions
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2
arch/arm/include/asm/mach-imx/s400_api.h
View file

@ -18,6 +18,7 @@
#define AHAB_FWD_LIFECYCLE_UP_REQ_CID 0x95
#define AHAB_READ_FUSE_REQ_CID 0x97
#define AHAB_GET_FW_VERSION_CID 0x9D
#define AHAB_GET_EVENTS_REQ_CID 0xA2
#define AHAB_RELEASE_RDC_REQ_CID 0xC4
#define AHAB_GET_FW_STATUS_CID 0xC5
#define AHAB_WRITE_FUSE_REQ_CID 0xD6
@ -58,5 +59,6 @@ int ahab_dump_buffer(u32 *buffer, u32 buffer_length);
int ahab_get_info(struct sentinel_get_info_data *info, u32 *response);
int ahab_get_fw_status(u32 *status, u32 *response);
int ahab_release_m33_trout(void);
int ahab_get_events(u32 *events, u32 *events_cnt, u32 *response);
#endif

45
drivers/misc/sentinel/s400_api.c
View file

@ -445,3 +445,48 @@ int ahab_release_m33_trout(void)
return ret;
}
int ahab_get_events(u32 *events, u32 *events_cnt, u32 *response)
{
struct udevice *dev = gd->arch.s400_dev;
int size = sizeof(struct sentinel_msg);
struct sentinel_msg msg;
int ret, i = 0;
u32 actual_events;
if (!dev) {
printf("s400 dev is not initialized\n");
return -ENODEV;
}
if (!events || !events_cnt || *events_cnt == 0) {
printf("Invalid parameters for %s\n", __func__);
return -EINVAL;
}
msg.version = AHAB_VERSION;
msg.tag = AHAB_CMD_TAG;
msg.size = 1;
msg.command = AHAB_GET_EVENTS_REQ_CID;
ret = misc_call(dev, false, &msg, size, &msg, size);
if (ret)
printf("Error: %s: ret %d, response 0x%x\n",
__func__, ret, msg.data[0]);
if (response)
*response = msg.data[0];
if (!ret) {
actual_events = msg.data[1] & 0xffff;
if (*events_cnt < actual_events)
actual_events = *events_cnt;
for (; i < actual_events; i++)
events[i] = msg.data[i + 2];
*events_cnt = actual_events;
}
return ret;
}